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A 42-yr-male presented with left foot drop of 2 months duration. General examination showed enlarged greater auricular nerve (GAN) and hypoanesthetic patch over dorsum of left leg (figure 1A,B). Neurological examination showed thickened left common peroneal nerve (CPN) at fibular neck and weak dorsiflexors of left leg. Electrophysiological study showed left CPN involvement. High-resolution ultrasound (HRUS) of nerves was done with 15–7 MHz hockey-stick transducer on Philips HD15 machine. GAN was enlarged bilaterally with completely effaced fascicular architecture and thickened epineurium (figure 1C–F). HRUS also revealed enlarged …
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Contributors MRY has done clinical examination and HRUS, conceptualised the paper, written the manuscript and taken consent from patients. LP and JM have edited the manuscript. VT has reported the skin biopsy. AP has taken the clinical photographs and edited the scan images.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Patient consent for publication Obtained.
Provenance and peer review Not commissioned; internally peer reviewed.
Author note Consent: Taken from patients in accordance with COPE guidelines.
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